This access control system is a standalone unit designed for a single door. It supports 1000 users and can connect to an external Wiegand 26-44 RFID reader or Touch memory reader. It features two manager cards and can be connected to all types of locks and exit buttons. Simple installation and operation. Input Voltage: DC12V±20% Quiescent Current: ≤17mA Wiegand 26-44 Touch Memory Reader: DS1990A Electric Lock Output Current: ≤3A (Relay Output) User Capacity: 1000 Unlock Time: 1-128s Manager Card: 2 cards Communication Distance to Wiegand Reader: ≤100m Communication Distance to Touch Memory Reader: ≤15m Operating Temperature: -35-60℃ Maximum Humidity: ≤90% RH Color: Green Material: ABS Type: A: Control Panel Package Contents: 1x Access Controller 1x Reader Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. The allowable measurement error is +/- 1-3 cm.